Layered gabbros

Layering in this gabbro, inferred to have formed in a mid-ocean ridge magma chamber, is essentially vertical in this image. Gray layers are enriched in plagioclase feldspar, whereas brown-green layers are enriched in olivine and pyroxenes.

Bibliographic Details
Other Authors: Wojtal, Steven F.
Format: Other/Unknown Material
Language:unknown
Published: Oberlin College Library 1981
Subjects:
Online Access:http://server15963.contentdm.oclc.org/u?/p15963coll1,1628
Description
Summary:Layering in this gabbro, inferred to have formed in a mid-ocean ridge magma chamber, is essentially vertical in this image. Gray layers are enriched in plagioclase feldspar, whereas brown-green layers are enriched in olivine and pyroxenes.